“In Arizona, we have started engineering wafer production with N4 process technology and are on track for volume production in the first half of 2025; once we begin volume production we are confident to deliver the same level of manufacturing quality and reliability as our fabs in Taiwan.”

C.C. WeiCEO

CEO, TSMC

TSMC Arizona Fab 21 entered high-volume N4 production in Q4 2024 — ahead of the first-half-2025 target — with yields TSMC said were comparable to its Taiwan fabs.